package com.itheima.dao;

import com.itheima.po.CountVO;
import com.itheima.po.JobCount;
import com.itheima.po.JobPeople;
import com.itheima.po.SexCount;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface ReportMapper {
    /**
     * 性别统计
     * @return
     */
    List<SexCount> empGenderData();


    /**
     * 统计职位数量
     */
    List<JobPeople> empJobCount();

    /**
     * 学历统计
     */
    List<CountVO> degreeData();

    /**
     * 班级人数统计
     * @return
     */
    List<CountVO> studentCount();
}
